A new study identifies ten key components to promote sustainable, equitable, and climate-smart ocean planning initiatives worldwide. The proposed components include foundational principles and operational pathways that aim to support marine managers and planners in developing climate-smart ocean plans.
Researchers provided first detailed estimates of sediment supply to coral reef islands, crucial for understanding climate change impacts. They found that around 0.1m³ (100kg) of sediment is delivered to islands per year, helping islands withstand rising seas.
Research suggests polar climates are adjusting to a warming climate with changes in regional climate dynamics. Altered ocean-sea ice interactions may be driving recent fluctuations in sea ice extent, according to new studies.
Researchers created a soft robot mimicking 500-million-year-old pleurocystitids, suggesting a sweeping motion helped them glide through the ocean floor. The design also indicates longer stems enabled faster movement without increased energy expenditure.
Researchers at the University of São Paulo found evidence of a tropical island with rich mineral deposits, including cobalt and nickel, in the South Atlantic Ocean. The team's analysis of seafloor sediment samples suggests the area was once home to vegetation and had volcanic activity between 30-40 million years ago.
Researchers have discovered that whirligig beetles use a lift-based thrust mechanism to achieve record-breaking speeds, challenging previous explanations of their propulsion system. This finding offers valuable insights for bio-inspired robotic ship design and uncrewed boat development.
The METEOR Expedition M197 is a research project studying the Eastern Mediterranean Sea's future changes in response to climate change and human activities. The project investigates nutrient supply, marine ecosystems, and carbon export from surface to deep waters.
A team of scientists has found evidence linking oceanic weather systems to climate on a global scale, revealing that these interactions require the mediation of the atmosphere. The study used mechanical analysis to understand energy transfer across different patterns in the ocean and atmosphere.
A research team at Texas Tech University Health Sciences Center discovered a unique sodium pump variant in brine shrimp that enables them to thrive in high-salinity environments. This NKA variant uses more energy than common variants, allowing the animal to maintain steeper Na+ gradients.
The Atlantic Ocean near Bermuda has warmed by 1°C over the past 40 years, with surface temperatures increasing by 0.24°C per decade since the 1980s. The ocean's salinity and oxygen levels have also decreased, leading to increased acidity, which can affect marine life.
A study of Ryugu samples suggests that micrometeorites from icy celestial bodies in the outer Solar System transported nitrogen compounds to near-Earth regions. This discovery could provide clues about the origins of nitrogen on our planet, potentially serving as a building block for life.
A team of NTU scientists found a mix of harmful microorganisms, including Labyrinthulaceae and Lyngbya, that can poison marine life. However, they also discovered potential plastic-eating bacteria, such as Muricauda and Halomonas, which could aid in plastic degradation.
A new method called TWC-Swin effectively restores holographic images even under low spatial coherence and arbitrary turbulence, surpassing traditional convolutional network-based methods. The study demonstrates strong generalization capabilities, extending its application to unseen scenes.
Researchers from the University of Plymouth discovered coral reef bleaching at depths previously thought to be resilient, highlighting the vulnerability of mesophotic coral ecosystems to thermal stress. The study suggests that climate change is causing a deepening of the thermocline, leading to increased bleaching in the deeper ocean.
Researchers from Korea Maritime and Ocean University developed a new framework for solving the energy efficiency problem in IIoTs. The proposed SWIPT-NOMA-DAS system is five times more energy efficient than existing systems, with significant improvements in performance and battery life extension.
Researchers at TROPOS have found a direct formation pathway of sulfuric acid from organic sulfur compounds, particularly important over pristine oceans and cloud edges. This new production pathway can contribute up to half of gaseous sulfuric acid formation over the oceans.
Researchers discovered that blending crushed rock with arable soil could help reduce global temperatures. The process, known as enhanced chemical weathering, works by releasing calcium and magnesium from rocks, which bind atmospheric carbon dioxide and prevent its release back into the atmosphere.
Researchers from the University of Copenhagen predict the Atlantic Meridional Overturning Circulation (AMOC) will collapse between 2025 and 2095, with major consequences for Earth's climate. The study contradicts the latest IPCC report and highlights the importance of reducing global greenhouse gas emissions.
A multidisciplinary team of scientists conducted a comprehensive study to understand the sources and sinks of plastic debris in the Southern North Sea. Local citizen scientists played a crucial role in tracking the distribution pathways of plastic particles, revealing that two-thirds were washed ashore within 25km of their release site.
The global biogeochemical mercury cycle is closely tied to international trade routes, with emissions primarily linked to artisanal gold mining and smelting. Strategies to mitigate mercury exposure include production-side controls and consumption taxes to influence consumer behavior.
Researchers from CSIC successfully mapped Cala Millor's shallow seabed in the Mediterranean using satellite images, highlighting the potential of this methodology in diverse ecosystems. This study contributes to improved coastal monitoring and adaptation measures against global change.
A team of Chinese scientists developed high-resolution Earth system models incorporating clouds and ocean submesoscale eddies, capturing major weather-climate extremes. The models simulate cross-scale interactions and provide new insights into weather-climate mechanisms.
Researchers established quantitative relationships between coals and evapoerites with temperature and precipitation during the Phanerozoic. Coals formed predominantly in equatorial regions, while evaporites formed in subtropical dry zones.
Researchers discovered that coastal marine invertebrates can survive and reproduce on floating plastic debris in the open ocean. This finding suggests a rapid shift in biogeographical boundaries due to floating plastic pollution.
Researchers at Pusan National University have created a new algorithm that can accurately predict ice resistance and fracture points for ships navigating through the Arctic shipping routes. The model uses an elastic material approach, allowing it to study continuous ice-breaking processes, which is essential for efficient navigation.
Researchers will develop new technology and tools to improve climate factor measurement by observing atoms in outer space. The team's goal is to enable unprecedented science measurements, such as sea level rise and ice melt rates.
A new study finds that coccolithophores, a common group of marine phytoplankton, dominate the production of calcium carbonate in the surface ocean. This process controls atmospheric CO2 levels and is crucial for understanding climate change and ocean acidification.
Researchers at MIT have developed a membrane-free electrochemical process to remove carbon dioxide from seawater, potentially reversing ocean acidification. The system could be integrated with existing desalination plants or ships to help mitigate emissions.
Researchers found that the feathers of large seabirds contained nutrients from multiple ocean basins, while smaller birds had elements matching their local foraging environments. This discovery may explain the long-distance migrations of threatened species.
Researchers applied machine learning tools to study how climate impacts connectivity and biodiversity in the Pacific Ocean's Coral Triangle. They found that climate dynamics have contributed to biodiversity due to variability introduced by El Niño and La Niña events.
A study published in Atmospheric Chemistry and Physics found that phytoplankton productivity in the Southern Ocean contributes to dense clouds that reflect sunlight. The high density of water droplets in these clouds helps regulate global temperatures and precipitation patterns.
Researchers at Oregon State University found a relationship between surface gravity waves and infragravity waves that fuel sneaker waves. Longer waves with more energy can run further up the beach, but not all long waves turn into sneaker waves.
New study reveals plastic additives selectively harm corals' reproductive processes, development, and settlement, affecting ecosystem balance. Researchers found alarming effects of environmental concentrations on various organisms, highlighting the urgent need for better risk assessments.
A team of researchers led by Francesco Fedele investigated the extreme sea states and potential hazards for ship navigation in the eastern Mediterranean. They developed a novel theory of space-time wave extremes, indicating that rogue waves do not 'steal' energy from neighboring waves.
A new technique combines holographic microscopy with deep learning to follow individual microscopic organisms in the ocean. The method allows for continuous measurement and quantification of micro-zooplankton and feeding events, revealing key interactions between species.
A US team, led by Louisiana State University scientist Jun-Hong Liang, is studying air-sea gas exchange in the Labrador Sea to develop accurate formulas. The research aims to improve estimations of biological production and carbon dioxide/oxygen sequestration in deep oceans.
A new dataset provides an unprecedented insight into the Arctic Ocean's biological life, revealing a year's worth of microbial communities and their responses to climate change. The EcoOmics dataset aims to guide conservation efforts and provide evidence for novel biology that may influence our understanding of evolution on Earth.
A team of scientists led by Sophie Coulson and Jerry X. Mitrovica have detected the first definitive proof of elusive sea level fingerprints. The findings validate almost a century of sea level science and help solidify confidence in models predicting future sea level rise.
Researchers at the University of Leeds have found a molecule called TMAO that helps marine organisms withstand high pressure in the deep oceans. The study used neutron scattering to analyze how TMAO strengthens and stabilizes the hydrogen bonding in water molecules, allowing them to resist extreme pressure.
Researchers have identified a complex of proteins in a tiny marine invertebrate that share similarities with the human immune system, suggesting an earlier origin for the building blocks of our immune system. The study could ultimately guide the development of new immunotherapies and improve understanding of transplant rejection.
Researchers studied heat movement near North Pole and under Arctic sea ice, providing insights into the mechanisms of Arctic sea ice decline. Their findings suggest that strong winds cause mixing of water where ice and ocean meet, leading to enhanced heat transfer and changes in seawater salinity.
Researchers analyzed fossil corals to reveal changed ocean current circulation patterns. The data supports a scenario where the upper Pacific Ocean was more mixed during the last ice age, contributing to carbon storage and cooler climates.
The construction of dams and changes in land use have significantly impacted the amount of sediment rivers carry to oceans. Sediment transport has decreased by 49% globally due to dam construction, while increasing on 36% of rivers in the south, primarily driven by deforestation.
A study by Dr. Armineh Barkhordarian confirms a systematic warming pool in the Pacific caused by human activities, leading to increased frequency and intensity of local marine heatwaves. The region has experienced 31 marine heatwaves over the past 20 years, compared to just nine between 1982 and 1999.
Researchers from the University of Gothenburg estimated that fjord emissions are comparable to global deep ocean methane emissions. Fjords produce high amounts of methane due to anoxic environments and mixing events during stormy weather.
Researchers study the sea-surface microlayer, a biogeochemical reactor where organisms adapt to harsh conditions like UV radiation and fluctuating temperatures. The team aims to understand biological, chemical, and physical interactions in this thin layer, influencing global climate.
A new study by University of Washington researchers explains why Antarctic sea ice retreats quickly during the summer months, finding that it follows simple rules of physics. The seasonal cycle is consistent, showing a fast retreat relative to slow growth.
A recent study reveals that Megalodon's body size was influenced by water temperature, with individuals growing larger in cooler waters. The research suggests that Bergmann's rule may have played a role in the shark's gigantism.
Researchers use boron isotopes to identify sources and properties of fluids in subduction zones. They found that serpentinite-derived fluid drives metasomatism in continental subduction zones.
A new UNSW-led study reveals that global warming has amplified the water cycle, with an estimated 46,000-77,000 cubic kilometers of freshwater transported from the equator to the poles since 1970. This finding suggests broader changes to the global water cycle and highlights the need for improved climate models.
A new project aims to determine the role of sea ice fragmentation in accelerating Arctic ice-cap retreat. By combining observations, theory, and process modeling, researchers hope to improve climate model accuracy.
Research found that anaerobic microbial transformation on Tonle Sap Lake's floodplains produces substantial amounts of dissolved carbon dioxide, highlighting the importance of this process in tropical freshwater ecosystems. This discovery has significant implications for understanding global carbon cycles and the impact of climate change.
Scientists discover that corals produce CaCO3 in compartments shielded from seawater, explaining differences in resilience to ocean acidification. Variations in crystallization rates among species contribute to varying levels of sensitivity.
The MOSAiC expedition provides the first complete picture of climate processes in the central Arctic, warming twice as fast as the rest of the planet. Researchers analyzed environmental parameters over a full annual cycle, finding more dynamic and faster drifting pack ice than expected.
A massive DNA sequencing project has mapped the deep-sea biodiversity, revealing a vast and unknown ecosystem that plays a crucial role in ocean food-webs and carbon sequestration. The study sheds light on the connection between surface and deep-water ecosystems, with implications for understanding climate change.
A team of scientists from Korea Maritime and Ocean University has developed a novel synthesis route to produce a high-performance co-doped anode material for rechargeable seawater batteries. This breakthrough enables the creation of efficient and sustainable maritime applications, including emergency power supply for coastal nuclear pl...
This book provides a fundamental understanding of the physical, biological, and chemical processes governing fine sediment transport in open water. It covers various spatial and temporal scales, from micro-scale to system-wide, and discusses interactions between disciplines such as hydrodynamics and soft soil mechanics.
Researchers found that coral species with faster skeletal crystallization rates are more resilient to ocean acidification. A team of UW-Madison students contributed to the analysis and were co-authors on the study. The findings have significant implications for developing mitigation strategies against ocean acidification.
Research reveals that intense storms in the Southern Ocean increase ocean mixing, bringing carbon dioxide-rich waters to the surface and driving an outgassing of CO2 into the atmosphere. This process has significant implications for understanding global climate models and predicting future climate change.
Researchers developed unprecedented insights into the natural and commercial flow of fish, highlighting the importance of inclusive approaches to fisheries management and conservation. The study's findings indicate a strong connection between larval dispersal and catch distribution in Hawaii, emphasizing the need for community-based ma...